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LTO-5 Tape Drive User’s Guide 37

Chapter 4

Theory

This chapter describes operational theories used in the LTO-5 Tape Drive.

The topics covered in this chapter are:

• Track Layout

• Recording Method on page 38

• Data Buffer

on page 39

• Data Integrity

on page 39

• Data Compression

on page 41

Track Layout

With the LTO-5 Tape Drive, there are 1280 data tracks on the LTO tape,

numbered 0 through 1279.

The area between adjacent servo bands is a data band. There are 4 data

bands, each of which includes 300 data tracks. The data bands are

numbered 3, 1, 0, 2. Data band 2 is closest to the bottom edge of the tape.

A track group is a set of tracks that is recorded concurrently. The sets of 20

data tracks in a data band are data sub-bands. There are 20 data sub-bands

per data band. The data tracks are accessed in a serpentine manner.

1 2 ... 46 47 48 49 50 51 52 53 54 55 56 ... 95 96

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Quantum TC-L53FN-AR Guide de l'utilisateur Page 51